Method and arrangement in a first base station for scheduling in a TDD wireless network, which wireless network comprises the first base station serving a user equipment, and a second base station. The substrates are wetted with the process medium from below in a manner lying horizontally. An auxiliary piston is located backward the master cylinder piston to define an auxiliary pressure chamber between the master cylinder piston and the auxiliary piston and to move the master cylinder piston forward by an auxiliary pressure in the auxiliary pressure chamber. In use, the blanket can be taped to automobile components or industrial equipment to ensure the security and protection of equipment from molten metal spatter near welding locations. In response to a request for obtaining data management information concerning a recording of the data recorded on each of the data areas, a plurality of predetermined data areas among the foregoing data areas are regarded as a predetermined pseudo area, and the data management information including information concerning the predetermined pseudo area is obtained.